What is the most expensive Barry Sanders card?

The most expensive Barry Sanders card is typically the 1989 Score Supplemental #101, which has reached high prices at auction, especially when graded in gem mint condition (PSA 10). In recent years, this card has sold for over $30,000, making it a highly sought-after collectible among football card enthusiasts. Its value is driven by Sanders' legendary status and the card's scarcity in pristine condition. Prices can fluctuate, so it's advisable to check recent auction results for the latest valuation.